Text-book of Seamanship: The Equipping and Handling of Vessels Under Sail Or Steam, for the Use of the United States Naval AcademyD. Van Nostrand Company, 1898 - 579 páginas |
Dentro del libro
Resultados 1-5 de 78
Página 26
... necessary to lay it up seems to detract from the strength of the fibre , the strength of plain - laid being to that of cable - laid as 8.7 to 6 ; besides this , it stretches considerably under strain . Back - handed Rope . In making the ...
... necessary to lay it up seems to detract from the strength of the fibre , the strength of plain - laid being to that of cable - laid as 8.7 to 6 ; besides this , it stretches considerably under strain . Back - handed Rope . In making the ...
Página
... necessary , splitting and pushing them between the strands , as in the long splice . The test of a well - made grommet is , to throw it on the deck when it should lie perfectly flat . Worn or four - stranded rope makes the best . For ...
... necessary , splitting and pushing them between the strands , as in the long splice . The test of a well - made grommet is , to throw it on the deck when it should lie perfectly flat . Worn or four - stranded rope makes the best . For ...
Página 19
... necessary , as in hoisting articles from the holds to the upper decks , or from the decks to the masts and yards . It is quite different , however , when the single block is movable , or attached to the weight to be moved , and gener ...
... necessary , as in hoisting articles from the holds to the upper decks , or from the decks to the masts and yards . It is quite different , however , when the single block is movable , or attached to the weight to be moved , and gener ...
Página 20
... necessary to raise a given weight with a tackle , is to divide the weight to be raised by the number of parts of rope at the movable block or blocks , the quotient being the power required to produce an equilibrium , friction not ...
... necessary to raise a given weight with a tackle , is to divide the weight to be raised by the number of parts of rope at the movable block or blocks , the quotient being the power required to produce an equilibrium , friction not ...
Página vi
... necessary to start them up with a derrick, as follows : A small stout spar (say a stump top-gallant mast) is placed between the cross of the sheer-forks, where it is retained by a loose lashing. Hook a stout tackle from the head of this ...
... necessary to start them up with a derrick, as follows : A small stout spar (say a stump top-gallant mast) is placed between the cross of the sheer-forks, where it is retained by a loose lashing. Hook a stout tackle from the head of this ...
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Términos y frases comunes
abaft ahead aloft anchor angle beam bight boat bolt boom bowlines bowsprit braces buntlines buoy cable capstan centre chain clear clew clewlines cringle deck down-haul fathoms feet fitted fore and aft fore and main forecastle foresail forward frame furl FURL SAIL gear halliards Haul taut hawser head sails head yards heave heel helm hoisted hook inches iron keel keelson knot laniard lashing let go lifts lower luff mainsail mast mast-head metacentric height mizzen outhaul pass pendant Plate port purchase quarter ratline reef reeve rigging rope round rove royal rudder running rigging sail screw secured seizing shackle sheave sheer sheet ship ship's shrouds side spanker spars splice square standing starboard stay staysail steam stern strap studding-sail tack tackle thimble tide toggle topgallant topgallant mast topgallant sail topmast topsail trysail turns upper vessel weather whip wind wire yard-arm
Pasajes populares
Página 277 - Nothing in these rules shall exonerate any ship, or the owner, or master, or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper look.out, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
Página 275 - When two steam vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard, so that each may pass on the port side of the other.
Página 275 - When two sailing vessels are approaching one another, so as to involve risk of collision, one of them shall keep out of the way of the other as follows, viz.
Página 268 - ... points of the compass, so fixed as to throw the light from right ahead to two points abaft the beam on...
Página 276 - Every vessel coming up with another vessel from any direction more than two points abaft her beam — that is, in such a position, with reference to the vessel which she is overtaking that at night she would be unable to see either of that vessel's side lights — shall be deemed to be an overtaking vessel...
Página 272 - ... light, in a lantern so constructed as to show a clear, uniform, and unbroken light visible all around the horizon at a distance of at least 1 mile.
Página 276 - In obeying and construing these rules due regard shall be had to all dangers of navigation and collision, and to any special circumstances which may render a departure from the above rules necessary in order to avoid immediate danger.
Página 270 - ... mile, or a combined lantern showing a green light and a red light from right ahead to 2 points abaft the beam on their respective sides. Such lantern shall be carried not less than 3 feet below the white light.
Página 275 - When both are running free, with the wind on the same side, the vessel which is to windward shall keep out of the way of the vessel which is to leeward. (e) A vessel which has the wind aft shall keep out of the way of the other vessel.
Página 273 - sailing vessels " and " vessels towed " on the fog horn. The words " prolonged blast " used in this article shall mean a blast of from four to six seconds duration.